289311400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{206651}}^1$

素因数の和:206674

約数の個数: 48

約数和(自身を含む): 768745440

約数和(自身を除く): 479434040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 206651, 413302, 826604, 1033255, 1446557, 1653208, 2066510, 2893114, 4133020, 5166275, 5786228, 7232785, 8266040, 10332550, 11572456, 14465570, 20665100, 28931140, 36163925, 41330200, 57862280, 72327850, 144655700, 289311400]

約数ペア:

[(1, 289311400), (2, 144655700), (4, 72327850), (5, 57862280), (7, 41330200), (8, 36163925), (10, 28931140), (14, 20665100), (20, 14465570), (25, 11572456), (28, 10332550), (35, 8266040), (40, 7232785), (50, 5786228), (56, 5166275), (70, 4133020), (100, 2893114), (140, 2066510), (175, 1653208), (200, 1446557), (280, 1033255), (350, 826604), (700, 413302), (1400, 206651)]